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Comparison of results from the self-administered questionnaire and the Fried phenotype in detecting frailty prior to the first COVID-19 lockdown.
| Frail per Fried phenotype | Robust or Prefrail per Fried phenotype | |
|---|---|---|
| Frail per self-administered questionnaire | 58 | 59 |
| Robust or Prefrail per self-administered questionnaire | 32 | 344 |
Sensitivity: 64.4% (95% CI: 53.7–74.3); Specificity: 85.4% (95% CI: 81.5–88.7); PPV: 49.6% (95% CI: 40.2–58.9); NPV: 91.5% (95% CI: 88.2–94.1)
